剧情简介：TIME IS RUNNING OUT Decades from now, an artificial black hole has fallen into the Earth's core. As scientists frantically work to prevent the ultimate disaster, they discover that the entire planet could be destroyed within a year. But while they look for an answer, some claim that the only way to save Earth is to let its human inhabitants become extinct: to reset the evolutio...(展开全部)
作者：David Brin
出版社：BANTAM
ISBN：9780553057782
